Final Exam prep: The most important thing is to do every problem on the syllabus. We have done a majority of them in class already, but if you really do all of them then you will have seen every concept that can appear on the final.
More:

Links:

Wolfram Alpha, powerful online symbolic computational engine. The link is to a page of examples, click the "=" sign next to any of them to make it run.

Then you can modify the input to the function you want to integrate using standard calculator notation. You are highly encouraged to check your answers with this; it can help raise your confidence (or identify problems!).